Exhibit 24

POWER OF ATTORNEY

(For Executing Form ID and Forms 3, 4 and 5 and Schedule 13D)
Know all by these presents, that the undersigned hereby constitutes and appoints
each of Esther Cho, Sarah O'Loughin, Cailin Harris and Jason Minio of Cooley
LLP, and Jeffery Brinza of Millendo Therapeutics, Inc. (the "Company"), signing
individually, the undersigned's true and lawful attorneys-in fact and agents to:
(1)	Prepare, execute in the undersigned's name and on the undersigned's behalf,
and submit to the Securities and Exchange Commission (the "SEC") Form ID and
Forms 3, 4 and 5 (including amendments thereto and joint filing agreements in
connection therewith) in accordance with Section 16(a) of the Securities
Exchange Act of 1934, as amended (the "Exchange Act") and the rules thereunder
in the undersigned's capacity as an officer, director or beneficial owner of
more than 10% of a registered class of securities of the Company;
(2)	Prepare, execute in the undersigned's name and on the undersigned's behalf,
and submit to the SEC Schedule 13D or Schedule 13G (including amendments thereto
and joint filing agreements in connection therewith) in accordance with Section
13(d) and (g) of the Exchange Act and the rules thereunder in the undersigned's
capacity as beneficial owner of more than 5% of a registered class of securities
of the Company;
(3)	Do and perform any and all acts for and on behalf of the undersigned that
may be necessary or desirable to prepare and execute any such Form ID and Forms
3, 4 or 5 and Schedules 13D or 13G (including amendments thereto and joint
filing agreements in connection therewith) and file such forms or schedules with
the SEC and any stock exchange, self-regulatory association or any similar
authority; and
(4)	Take any other action of any type whatsoever in connection with the
foregoing that, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required of the undersigned, it being
understood that the documents executed by the attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as the attorney-in-fact may approve in the
attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, and
their substitutes, in serving in such capacity at the request of the
undersigned, are not assuming (nor is the Company assuming) any of the
undersigned's responsibilities to comply with Sections 13 or 16 of the Exchange
Act.
This Power of Attorney shall remain in full force and effect until the earliest
to occur of (a) the undersigned is no longer required to file Form ID or Forms
3, 4 and 5 or Schedules 13D or 13G with respect to the undersigned's holdings of
and transactions in securities issued by the Company, (b) revocation by the
undersigned in a signed writing delivered to the Company and the foregoing
attorneys-in fact or (c) as to any attorney-in-fact individually, until such
attorney-in-fact is no longer employed by the Company or Cooley LLP, as
applicable.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the date written below.

Date:  11/28/18	                              FHM VI, LLC


                                              By: /s/ Steve R. Bailey
	                                      Name: Steve R. Bailey
Title: CFO

Date:  11/28/18	                              FHM VI, L.P.


                                              By: /s/ Steve R. Bailey
	                                      Name: Steve R. Bailey
Title: CFO

Date:  11/28/18	                              Frazier Healthcare VI, L.P.


                                              By: /s/ Steve R. Bailey
	                                      Name: Steve R. Bailey
Title: CFO